feat: Show modflared indicator in server list

gradle.properties

@@ -8,7 +8,7 @@ mcp_mappings=stable_39
 mod_id=modflared
 mod_name=Modflared
 mod_license=MIT
-mod_version=1.12.2-legacy.1
+mod_version=1.12.2-1
 mod_group_id=dev.httxrafa.modflared
 mod_authors=HttpRafa, Contributors
 mod_description=Automatically connects you to a Cloudflare tunnel without having to install cloudflared separately.

src/main/java/dev/httxrafa/modflared/mixin/client/ServerListEntryNormalMixin.java

@@ -0,0 +1,87 @@
+package dev.httxrafa.modflared.mixin.client;
+
+import dev.httxrafa.modflared.Modflared;
+import dev.httxrafa.modflared.interfaces.mixin.IServerData;
+import dev.httxrafa.modflared.tunnel.TunnelStatus;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.Gui;
+import net.minecraft.client.gui.GuiMultiplayer;
+import net.minecraft.client.gui.ServerListEntryNormal;
+import net.minecraft.client.multiplayer.ServerData;
+import net.minecraft.client.renderer.GlStateManager;
+import net.minecraft.client.resources.I18n;
+import net.minecraft.util.ResourceLocation;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(ServerListEntryNormal.class)
+public abstract class ServerListEntryNormalMixin {
+
+    @Shadow
+    @Final
+    private GuiMultiplayer owner;
+
+    @Shadow
+    @Final
+    private ServerData server;
+
+    @Unique
+    private static final ResourceLocation MODFLARED_INDICATOR_TEXTURE = new ResourceLocation(
+            Modflared.MOD_ID,
+            "textures/gui/sprites/icon/indicator.png"
+    );
+
+    @Unique
+    private static final int MODFLARED_INDICATOR_SIZE = 10;
+
+    @Unique
+    private static final int MODFLARED_INDICATOR_RIGHT_OFFSET = 28;
+
+    @Unique
+    private static final String MODFLARED_INDICATOR_TOOLTIP_KEY = "gui.multiplayer.tunnel.status.0";
+
+    @Unique
+    private static final String MODFLARED_INDICATOR_TOOLTIP_FALLBACK = "Modflared in use";
+
+    @Inject(method = "drawEntry", at = @At("TAIL"))
+    private void modflared$drawTunnelIndicator(int slotIndex, int x, int y, int listWidth, int slotHeight, int mouseX, int mouseY, boolean isSelected, float partialTicks, CallbackInfo callbackInfo) {
+        TunnelStatus tunnelStatus = ((IServerData) this.server).getTunnelStatus();
+        if (tunnelStatus == null || tunnelStatus.getState() != TunnelStatus.State.USE) {
+            return;
+        }
+
+        int indicatorX = x + listWidth - MODFLARED_INDICATOR_RIGHT_OFFSET;
+        int indicatorY = y + 11;
+
+        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
+        Minecraft.getMinecraft().getTextureManager().bindTexture(MODFLARED_INDICATOR_TEXTURE);
+        Gui.drawModalRectWithCustomSizedTexture(
+                indicatorX,
+                indicatorY,
+                0.0F,
+                0.0F,
+                MODFLARED_INDICATOR_SIZE,
+                MODFLARED_INDICATOR_SIZE,
+                MODFLARED_INDICATOR_SIZE,
+                MODFLARED_INDICATOR_SIZE
+        );
+
+        if (mouseX >= indicatorX && mouseX <= indicatorX + MODFLARED_INDICATOR_SIZE && mouseY >= indicatorY && mouseY <= indicatorY + MODFLARED_INDICATOR_SIZE) {
+            this.owner.setHoveringText(modflared$translate(MODFLARED_INDICATOR_TOOLTIP_KEY, MODFLARED_INDICATOR_TOOLTIP_FALLBACK));
+        }
+    }
+
+    @Unique
+    private static String modflared$translate(String key, String fallback) {
+        String translated = I18n.format(key);
+        if (translated == null || translated.equals(key)) {
+            return fallback;
+        }
+        return translated;
+    }
+}

src/main/java/dev/httxrafa/modflared/tunnel/TunnelStatus.java

@@ -1,8 +1,9 @@
 package dev.httxrafa.modflared.tunnel;
 
+import net.minecraft.util.text.ITextComponent;
+import net.minecraft.util.text.TextComponentString;
 import net.minecraft.util.text.TextComponentTranslation;
 import net.minecraft.util.text.TextFormatting;
-import net.minecraft.util.text.ITextComponent;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -29,15 +30,23 @@ public State getState() {
     public List<ITextComponent> generateFeedback() {
         List<ITextComponent> feedback = new ArrayList<ITextComponent>();
         if (state == State.USE) {
-            feedback.add(new TextComponentTranslation("gui.tunnel.status.use").setStyle(new net.minecraft.util.text.Style().setColor(TextFormatting.AQUA)));
+            feedback.add(translate("gui.tunnel.status.use", "Using Cloudflare tunnel", TextFormatting.AQUA));
         } else if (state == State.FAILED_TO_DETERMINE) {
-            feedback.add(new TextComponentTranslation("gui.tunnel.status.failed.0").setStyle(new net.minecraft.util.text.Style().setColor(TextFormatting.RED)));
-            feedback.add(new TextComponentTranslation("gui.tunnel.status.failed.1").setStyle(new net.minecraft.util.text.Style().setColor(TextFormatting.RED)));
-            feedback.add(new TextComponentTranslation("gui.tunnel.status.failed.2").setStyle(new net.minecraft.util.text.Style().setColor(TextFormatting.RED)));
+            feedback.add(translate("gui.tunnel.status.failed.0", "Modflared could not determine if a tunnel is required.", TextFormatting.RED));
+            feedback.add(translate("gui.tunnel.status.failed.1", "The connection will continue without a tunnel.", TextFormatting.RED));
+            feedback.add(translate("gui.tunnel.status.failed.2", "Add this server to forced_tunnels.json if it must use a tunnel.", TextFormatting.RED));
         }
         return Collections.unmodifiableList(feedback);
     }
 
+    private static ITextComponent translate(String key, String fallback, TextFormatting formatting) {
+        ITextComponent component = new TextComponentTranslation(key);
+        if (component.getUnformattedText().equals(key)) {
+            component = new TextComponentString(fallback);
+        }
+        return component.setStyle(new net.minecraft.util.text.Style().setColor(formatting));
+    }
+
     public enum State {
         USE,
         DONT_USE,

src/main/resources/assets/modflared/lang/en_us.lang

@@ -1,4 +1,5 @@
 gui.tunnel.status.use=Using Cloudflare tunnel
+gui.multiplayer.tunnel.status.0=Modflared in use
 gui.tunnel.status.failed.0=Modflared could not determine if a tunnel is required.
 gui.tunnel.status.failed.1=The connection will continue without a tunnel.
 gui.tunnel.status.failed.2=Add this server to forced_tunnels.json if it must use a tunnel.

src/main/resources/modflared.mixins.json

@@ -9,6 +9,7 @@
     "client.GuiConnectingMixin",
     "client.GuiConnectingThreadMixin",
     "client.ServerDataMixin",
+    "client.ServerListEntryNormalMixin",
     "client.ServerPingerMixin"
   ],
   "client": [],